Remarque : l'espèce y est erronément appelée, https://fr.wikipedia.org/w/index.php?title=Siamogale_melilutra&oldid=175660445, Taxobox utilisant une classification non précisée, Taxobox taxon utilisant le paramètre éteint, Portail:Sciences de la Terre et de l'Univers/Articles liés, licence Creative Commons attribution, partage dans les mêmes conditions, comment citer les auteurs et mentionner la licence. Références. The otter, which has been dubbed Siamogale melilutra, was much larger than today's otters at around the size of a wolf and weighed up to 50kg. A new otter of giant size, Siamogale melilutra sp. The 6.2-million-year-old Siamogale melilutra otter dwarfed any known living otters, reaching weights of up to 110 pounds (50 kilograms). This strength, paired with the creature’s size, would have made it a formidable hunter. †S. The new species belongs to the Lutrinae because of its possession of a large infraorbital canal and ventral expansion of the mastoid process, among other traits. Its giant size and high mandibular strength confer shell-crushing capability matched only by other extinct molluscivores, such as the marine bear Kolponomos.[1]. Futurity News. 39-65. 2017) † S. thailandica (Ginsburg, Ingavat & Tassy, 1983) Siamogale est un genre éteint de loutres géantes du Miocène supérieur d'Asie. Illustration … (2018). Siamogale melilutra est une espèce éteinte de loutres ayant vécu au Miocène supérieur (Messinien), il y a 6,2 millions d'années, dans la province chinoise du Yunnan[1]. Instead, we CT-scanned the specimen and virtually reconstructed it in a computer. Ces mammifères étaient donc bien plus grands que les loutres géantes actuelles (Pteronura brasiliensis), qui pèsent rarement plus d'une trentaine de kilogrammes[1], et deux à trois fois plus grands que n'importe quelle espèce de loutres modernes[3]. Le nom générique, Siamogale, a été créé en 1983, lors de la description de Siamogale thailandica par Ginsburg, Ingavat et Tassy. Three species are currently known, S. thailandica and S. bounosa from Thailand and S. melilutra from China. L'épithète spécifique, melilutra, est pour sa part un nom composé attribué par Wang et al. X. Wang et al. Two species are currently known, S. thailandica from Thailand and S. melilutra from China. 1, pp. [2] Siamogale melilutra was about 1.9 m (6.25 ft) in overall length and weighed at least 40 kg (88 pounds). That's far bigger than even … Siamogale melilutra was about the size of a wolf and weighed as much as 50 kg (more than 100 pounds). Siamogale melilutra The wolf-size otter lived in a shallow swamp surrounded by thick vegetation. Siamogale melilutra was the size of a wolf and weighed about 110 pounds. La dernière modification de cette page a été faite le 17 octobre 2020 à 17:36. S. melilutra was an otter. It also had an unusually powerful bite, which would have allowed it to crush … Ranking among the largest fossil otters, Siamogale represents a feeding ecomorphology with no living analog. en 2017 et constitué des deux mots latins meles, « blaireau », et lutra, « loutre ». bounosa (Grohé et al. See the full image below. Siamogale - WikiMili, The Free Encyclopedia - WikiMili, The Free Encyclopedia Les restes du crâne ont été trouvés en Chine et ont été étudiés par tomodensitométrie, technique capable d'imager le squelette sans l'endommager. † S. melilutra (Wang et al. 2020) Siamogale is an extinct genus of giant otter from the late Miocene-early Pliocene of eastern Asia. Wang, Grohé, Su, White, Ji, Kelley, You & Yang, 2017, "Feeding capability in the extinct giant Siamogale melilutra and comparative mandibular biomechanics of living Lutrinae", "A new otter of giant size, Siamogale melilutra sp. thailandica (Ginsburg, Ingavat & Tassy, 1983) †S. At 50 kg in estimated weight, the extinct Siamogale melilutra is larger than all living otters, and ranks among the largest fossil otters. Some, like the sea otter or giant river otter, can grow to more than 75 pounds. Size difference: Modern otters are a lot smaller than their prehistoric relatives (Rex) More. The scientists are working to understand other aspects of the life of Siamogale melilutra. The skull reveals a combination of otter-like and badger-like cranial and dental characteristics. 2017) †S. Named Siamogale melilutra, the new species weighed around 50 kg (110 lbs) — almost twice as large as the largest living otters. TARKA the Otter had a formidable relative that was a top predator six million years ago, scientists have discovered. melilutra (Wang et al. The researchers say the ancient predator belonged to a lineage of extinct otters that date back 18 million years. But S. melilutra was an outlier: The massive mammal’s modeled jaws were six times sturdier than expected. World, meet Siamogale melilutra. The remains of the skull were found in China and were re-created with a special program called the CT scan which is able to reconstruct the skeleton without being damaged. A new species of fossil otter, Siamogale melilutra sp. Researchers say the outsized otter, called Siamogale melilutra, weighed about 50 kilograms and measured up to two metres long, making it bigger than any of its cousins alive today. A really, really big otter. Read More: Dolphin-like fossil found in Texas could be reptile that swam 90m years ago “The discovery of the otter helps solve some questions about otter relationships, but has opened the door to new questions,” said Xiaoming Wang from the Natural History Museum of Los Angeles County in the US. Deux espèces sont actuellement connues [1], dont Siamogale melilutra. Siamogale melilutra is an extinct species of giant otter from the late Miocene from Yunnan province, China. That’s not what we found,” says Z. Jack Tseng, PhD, who led the project. Named Siamogale melilutra, the huge otter would have weighed around 110lb (50kg) and been up to two metres in length. By scanning each individual piece, researchers were able to digitally recreate the skull like a jigsaw puzzle. nov. (Lutrinae: Mustelidae: Carnivora), from the latest Miocene Shuitangba site in north-eastern Yunnan, south-western China, and a total-evidence phylogeny of lutrines. This is two to three times larger than any modern otter species. La nouvelle espèce appartient aux Lutrinae en raison de la présence d'un large canal infraorbital et ventral expansion of the mastoid process, entre autres traits[2]. Siamogale is an extinct genus of giant otter from the late Miocene-early Pliocene of eastern Asia. Les Siamogale melilutra pesaient environ 50 kilogrammes et faisaient la taille d'un loup. Diagnosis: Siamogale melilutra is distinct from S. thailandica in its large size, more posteriorly reclined mandibular ascending ramus, a continuous P4 protocone crest extending distally to the metastyle (in contrast to a more cuspidate P4 protocone in S. Journal of Systematic Palaeontology: Vol. Un article de Wikipédia, l'encyclopédie libre. "If Siamogale melilutra was not smart enough to figure out tools, perhaps the only option left was to develop more powerful jaws by increasing body size." It weighed about 110 pounds and grew to be the size of a wolf. TARKA the Otter had a formidable ancestor which that was a top predator six million years ago and had a bite strong enough to snap bones, scientists have discovered. (Credit: Mauricio Anton) These ancient wolf-sized otters had fearsome jaws. [3] The remains of the skull were found in China and were re-created with a special program called the CT scan which is able to reconstruct the skeleton without being damaged. Diagnosis: Siamogale melilutra is distinct from S. thailandica in its large size, more posteriorly reclined mandibular ascending ramus, a continuous P4 protocone crest extending distally to the metastyle (in contrast to a more cuspidate P4 protocone in S. L’étude publiée dans The Journal of Systematic Paleontology : A new otter of giant size, Siamogale melilutra sp. This is two to three times larger than any modern otter species. Unlike its modern counterparts which eat fish and shellfish, this prehistoric species had an appetite for just about any sort of prey and possessed powerful jaws capable of delivering a devastating bite. Follow. The otter, Siamogale melilutra, weighed about 110 pounds — bigger than any living otter. Ces mammifères étaient donc bien plus grands que les loutres géantes actuelles (Pteronura brasiliensis), qui pèsent rarement plus d'une trentaine de kilogrammes, et deux à trois fois plus grands que n'importe quelle espèce de loutres modernes. Two 3-D reconstructions show the jaw of the roughly 15-pound common otter (left) and that of the 110-pound Siamogale melilutra. Credit: Mauricio Antón Temporal range: Late Miocene “We started our study with the idea that this otter was just a larger version of a sea otter or an African clawless otter in terms of chewing ability, that it would just be able to eat much larger things. 16, No. Siamogale thailandica Ginsburg, Invagat, & Tassy, 1983 from the middle Miocene basin of Mae Moh in northern Thailand is one such species, whose fragmentary dental remains have thus far impeded our understanding. The otter named Siamogale melilutra lived some six million years ago and belongs to an ancient lineage of extinct otters, which goes back at least 18 million years. Siamogale melilutra is an extinct species of giant otter from the late Miocene from Yunnan province, China. Researchers were able to make assumptions about the otter’s physiology after recreating its skull, which had been crushed over millions of years. Le crâne montre une combinaison de caractères crâniens et dentaires semblables à ceux des loutres et semblables à ceux des blaireaux. Dr Su added: “The bones were so delicate that we could not physically restore the cranium. References. Siamogale melilutra was about the size of a wolf. Vous pouvez partager vos connaissances en l’améliorant (comment ?) Siamogale melilutra was the size of a wolf and weighed about 110 pounds (50kg). Les Siamogale melilutra pesaient environ 50 kilogrammes et faisaient la taille d'un loup. It was estimated to about 50 kilograms (110 lb). Many otters today, like the marine otter or North American river otter, are about the size of a small dog. selon les recommandations du projet zoologie. Around 6 million years ago, giant otters (Siamogale melilutra) the size of wolves and weighing up 110 pounds (twice the size of modern-day otters) lived in what is now Asia. nov. (Lutrinae: Mustelidae: Carnivora), from the latest Miocene Shuitangba site in north-eastern Yunnan, south-western China, and a total-evidence phylogeny of lutrines. Portion of an artist’s rendering of Siamogale melilutra. nov. (Lutrinae: Mustelidae: Carnivora), from the latest Miocene Shuitangba site in north-eastern Yunnan, south-western China, and a total-evidence phylogeny of lutrines", "Scientists Discover Prehistoric Giant Otter Species In China", https://en.wikipedia.org/w/index.php?title=Siamogale_melilutra&oldid=950439897, Creative Commons Attribution-ShareAlike License, This page was last edited on 12 April 2020, at 03:02. Thailand and S. bounosa from Thailand and S. melilutra from China connaissances en l ’ améliorant ( comment )! Creature ’ s rendering of Siamogale melilutra sp grow to more than 75 pounds that was a predator... Any known living otters, reaching weights of up to 110 pounds ( kilograms! 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